EP1890932A4 - Improved jet pumping device - Google Patents

Improved jet pumping device

Info

Publication number
EP1890932A4
EP1890932A4 EP06747696A EP06747696A EP1890932A4 EP 1890932 A4 EP1890932 A4 EP 1890932A4 EP 06747696 A EP06747696 A EP 06747696A EP 06747696 A EP06747696 A EP 06747696A EP 1890932 A4 EP1890932 A4 EP 1890932A4
Authority
EP
European Patent Office
Prior art keywords
pumping device
improved jet
jet pumping
improved
pumping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06747696A
Other languages
German (de)
French (fr)
Other versions
EP1890932B1 (en
EP1890932A1 (en
Inventor
Paul Mark Paterson
Barry John Davies
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Propeller Jet Ltd
Original Assignee
Propeller Jet Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Propeller Jet Ltd filed Critical Propeller Jet Ltd
Publication of EP1890932A1 publication Critical patent/EP1890932A1/en
Publication of EP1890932A4 publication Critical patent/EP1890932A4/en
Application granted granted Critical
Publication of EP1890932B1 publication Critical patent/EP1890932B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/181—Axial flow rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/185—Rotors consisting of a plurality of wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-flow pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B63H2011/084—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with two or more pump stages
    • B63H2011/085—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with two or more pump stages having counter-rotating impellers
EP06747696.0A 2005-05-21 2006-05-18 Improved jet pumping device Not-in-force EP1890932B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ539561A NZ539561A (en) 2005-05-21 2005-05-21 Propulsion or pumping device with impellers on counter-rotating shafts deflecting in lateral directions
PCT/NZ2006/000119 WO2006126893A1 (en) 2005-05-21 2006-05-18 Improved jet pumping device

Publications (3)

Publication Number Publication Date
EP1890932A1 EP1890932A1 (en) 2008-02-27
EP1890932A4 true EP1890932A4 (en) 2011-11-30
EP1890932B1 EP1890932B1 (en) 2015-10-21

Family

ID=37452241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06747696.0A Not-in-force EP1890932B1 (en) 2005-05-21 2006-05-18 Improved jet pumping device

Country Status (6)

Country Link
US (1) US7566251B2 (en)
EP (1) EP1890932B1 (en)
AU (1) AU2006250163B2 (en)
CA (1) CA2652430C (en)
NZ (1) NZ539561A (en)
WO (1) WO2006126893A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8439859B2 (en) * 2007-10-08 2013-05-14 Ais Gmbh Aachen Innovative Solutions Catheter device
NZ587752A (en) 2010-09-02 2013-03-28 Propeller Jet Ltd High mass and low pressure liquid propulsion with counter-rotating impellers with reversal of drive to impellers to reverse flow direction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2537792A (en) * 1991-09-25 1993-04-01 Jason Bruce Steward Peripherly powered axial water jet motor
WO1994008845A1 (en) * 1992-10-13 1994-04-28 Richard Gwyn Davies Water jet propulsion unit for use in a jet boat
WO2000038980A1 (en) * 1998-12-24 2000-07-06 Richard Gwyn Davies Water jet propulsion unit for use in water borne craft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3780847T2 (en) * 1986-04-08 1993-03-11 Ebara Corp PUMP.
US5679035A (en) * 1995-12-22 1997-10-21 Jordan; Jeff P. Marine jet propulsion nozzle and method
NZ526666A (en) 2003-07-14 2004-11-26 Propeller Jet Ltd Impeller drive for a jet propulsion unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2537792A (en) * 1991-09-25 1993-04-01 Jason Bruce Steward Peripherly powered axial water jet motor
WO1994008845A1 (en) * 1992-10-13 1994-04-28 Richard Gwyn Davies Water jet propulsion unit for use in a jet boat
WO2000038980A1 (en) * 1998-12-24 2000-07-06 Richard Gwyn Davies Water jet propulsion unit for use in water borne craft

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006126893A1 *

Also Published As

Publication number Publication date
EP1890932B1 (en) 2015-10-21
WO2006126893A1 (en) 2006-11-30
NZ539561A (en) 2007-09-28
AU2006250163A1 (en) 2006-11-30
US7566251B2 (en) 2009-07-28
EP1890932A1 (en) 2008-02-27
US20080200082A1 (en) 2008-08-21
CA2652430A1 (en) 2006-11-30
CA2652430C (en) 2011-01-18
AU2006250163B2 (en) 2011-04-14

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